|  | | | | | Shoddy electrical installers beware: If you’re behind an electrical installation gone wrong like those featured here, there’s a good chance your handiwork may turn up in the pages of EC&M someday soon. |
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| | Advertisement | Ground fault protection is a top safety priority in plant environments. To protect your personnel and comply with current NEC Code, MENNEKES offers several market-ready products to address your needs. Type 4X GFCI solutions are available for wet locations. |
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| | | Avoid these five costly mistakes; making one of these can severely undermine your organization's maintenance department — and possibly your career. |
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| | Advertisement | Are you an electrician interested in EV charging stations? Find out how GBC’s online EV Technician training program can equip you with the skills to install, design & maintain residential or commercial charging stations. |
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| | | The plant manager asked Carl to figure out why there is variance in the automatic length cutting. Carl determined the problem is the motors that drive the lines vary in speed just a little. Short of replacing them all, he believes there’s probably not a way to fix this problem and suggests bringing in an outside firm to see what they say. Your boss... |
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| | | Article 440, Part 3 provides the requirements for the branch-circuit short-circuit and ground-fault protection used in HVAC and refrigeration equipment. That is, it provides the requirements for overcurrent protective devices (OCDPs) for hermetic motor circuits. |
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| | | Fill in the blank. In damp or wet locations of agricultural buildings, equipment enclosures and fittings shall be located or equipped to prevent moisture from _____ within the enclosure, box, conduit body, or fitting. |
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| | | Over the past year, there were many important issues to consider, a few of which included a new edition of the 2023 National Electrical Code, supply chain issues, worker shortages, inflation, the impact of the infrastructure act on the electrical industry, the start of a national electric vehicle charging station buildout, electrical safety topics ... |
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| | | Electrical power is so intrinsic to our daily lives it is easy to take it for granted. But as digitalization accelerates across all sectors and applications, so too does electrification. You can’t have digital transformation without electrification. When an application is critical, like a hospital, airport, or industrial control system, the support... |
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| | | Answering your NEC questions. Test your NEC knowledge with these questions from NEC Consultant Mike Holt regarding various Code requirements for installing raceways and cables underground |
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| | | Article 300 of the National Electrical Code (NEC) contains the general requirements for wiring methods and materials for power and lighting [Sec. 300.1(A)]. It includes the general requirements for all wiring methods included in the NEC but does not apply to twisted-pair cable and coaxial cable (covered in Chapters 7 and 8) unless Art. 300 is speci... |
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| | | Every year, photo galleries continue to be favorites for online EC&M readers. In 2022, there were so many new ones for readers to peruse — but we've narrowed this gallery down to the 10 most popular galleries from this year. See if your favorite gallery made the list, or check out one you may have missed throughout 2022! |
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| | | On December 7th, Los Angeles City Council unanimously approved an ordinance requiring that all new buildings within city limits be constructed all-electric. With this vote, Los Angeles became the largest city in the state and the second largest city in the country to mandate a definitive shift away from fossil fuels in new construction. |
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| | | More than other aspects of commercial lighting, the changing and complex technology of controls can result in lost time and money. When dealing with lighting controls, whether in new construction or a renovation, contracting firms face three characteristic (and potentially expensive) problems. Read on to find out what they are. |
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| | | Take this quiz about the 2023 NEC and enter for a chance to win a $25 gift card to Amazon, iTunes, or Cabela’s! |
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| | | In Episode 19, EC&M Editor-in-Chief Ellen Parson discusses how ongoing supply chain issues continue to plague the electrical industry with Don Leavens, vice president and chief economist at NEMA; Madeleine Bugel, senior manager of trade and international government relations at NEMA; and Chris Sokoll, president of Disc Corp. |
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| | | In Episode 6 of “EC&M Asks,” a new video series featuring subject matter experts (SMEs) answering reader-submitted questions regarding popular electrical topics, Electrical Trainer Harold De Loach reveals the most common mistakes electrical apprentices make when referencing the NEC. He also defines "special permission" and describes who grants it. |
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| | | In Episode 19 of “EC&M Tech Talks,” Randy Barnett, a journeyman electrician, inspector, author, trainer, and electrical safety expert, clears up some of the confusion regarding grounded conductors, grounding electrode conductors, neutrals, and equipment grounding conductors. |
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